[asterisk-dev] lockup detector...

[Nic Bellamy]

luisprata wrote:
> I got the error "soft lockup detected on CPU#0" when I was testing my device 
> driver in the new versions of Asterisk (1.4.4) and zaptel 
> (zaptel-tor3.1.4.0). 
>
> Well, I don´t know what exactly the lockup detector does, but I suspect the 
> problem is related to my polling loops. My polling loops are long time 
> "whiles" using jiffies to count timeout. 
>
> Is there a better way to do it ? 
>   
Without seeing your code, it's hard to say exactly, but for longer 
waits, you're probably better to use one of the schedule_timeout() 
variants rather than looping on jiffies. It's easier to write code that 
handles jiffie wraparound correctly if you use the standard functions too.

Cheers,
    Nic.

-- 
Nic Bellamy,
Head Of Engineering, Vadacom Ltd - http://www.vadacom.co.nz/